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authorTao Bao <tbao@google.com>2018-05-31 01:21:39 +0200
committerTao Bao <tbao@google.com>2018-05-31 01:34:24 +0200
commit64957ce4b14576071d6e5fd35632c50e5a28a749 (patch)
treef4e2deb5f980914fa558ecce63f81c09e143a501 /updater/blockimg.cpp
parentMerge "updater_sample: add UpdaterState" (diff)
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Diffstat (limited to '')
-rw-r--r--updater/blockimg.cpp23
1 files changed, 8 insertions, 15 deletions
diff --git a/updater/blockimg.cpp b/updater/blockimg.cpp
index 5d6da6cb3..4adb974cb 100644
--- a/updater/blockimg.cpp
+++ b/updater/blockimg.cpp
@@ -751,7 +751,7 @@ static void DeleteStash(const std::string& base) {
}
}
-static int LoadStash(CommandParameters& params, const std::string& id, bool verify, size_t* blocks,
+static int LoadStash(CommandParameters& params, const std::string& id, bool verify,
std::vector<uint8_t>& buffer, bool printnoent) {
// In verify mode, if source range_set was saved for the given hash, check contents in the source
// blocks first. If the check fails, search for the stashed files on /cache as usual.
@@ -773,11 +773,6 @@ static int LoadStash(CommandParameters& params, const std::string& id, bool veri
}
}
- size_t blockcount = 0;
- if (!blocks) {
- blocks = &blockcount;
- }
-
std::string fn = GetStashFileName(params.stashbase, id, "");
struct stat sb;
@@ -808,9 +803,8 @@ static int LoadStash(CommandParameters& params, const std::string& id, bool veri
return -1;
}
- *blocks = sb.st_size / BLOCKSIZE;
-
- if (verify && VerifyBlocks(id, buffer, *blocks, true) != 0) {
+ size_t blocks = sb.st_size / BLOCKSIZE;
+ if (verify && VerifyBlocks(id, buffer, blocks, true) != 0) {
LOG(ERROR) << "unexpected contents in " << fn;
if (stash_map.find(id) == stash_map.end()) {
LOG(ERROR) << "failed to find source blocks number for stash " << id
@@ -1056,7 +1050,7 @@ static int LoadSourceBlocks(CommandParameters& params, const RangeSet& tgt, size
}
std::vector<uint8_t> stash;
- if (LoadStash(params, tokens[0], false, nullptr, stash, true) == -1) {
+ if (LoadStash(params, tokens[0], false, stash, true) == -1) {
// These source blocks will fail verification if used later, but we
// will let the caller decide if this is a fatal failure
LOG(ERROR) << "failed to load stash " << tokens[0];
@@ -1171,7 +1165,7 @@ static int LoadSrcTgtVersion3(CommandParameters& params, RangeSet& tgt, size_t*
return 0;
}
- if (*overlap && LoadStash(params, srchash, true, nullptr, params.buffer, true) == 0) {
+ if (*overlap && LoadStash(params, srchash, true, params.buffer, true) == 0) {
// Overlapping source blocks were previously stashed, command can proceed. We are recovering
// from an interrupted command, so we don't know if the stash can safely be deleted after this
// command.
@@ -1237,8 +1231,7 @@ static int PerformCommandStash(CommandParameters& params) {
}
const std::string& id = params.tokens[params.cpos++];
- size_t blocks = 0;
- if (LoadStash(params, id, true, &blocks, params.buffer, false) == 0) {
+ if (LoadStash(params, id, true, params.buffer, false) == 0) {
// Stash file already exists and has expected contents. Do not read from source again, as the
// source may have been already overwritten during a previous attempt.
return 0;
@@ -1247,11 +1240,11 @@ static int PerformCommandStash(CommandParameters& params) {
RangeSet src = RangeSet::Parse(params.tokens[params.cpos++]);
CHECK(static_cast<bool>(src));
- allocate(src.blocks() * BLOCKSIZE, params.buffer);
+ size_t blocks = src.blocks();
+ allocate(blocks * BLOCKSIZE, params.buffer);
if (ReadBlocks(src, params.buffer, params.fd) == -1) {
return -1;
}
- blocks = src.blocks();
stash_map[id] = src;
if (VerifyBlocks(id, params.buffer, blocks, true) != 0) {